This name is a synonym of Leymus secalinus (Georgi) Tzvelev.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 411080) with original publication details: Sunyatsenia 6: 65 1941.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:77098697-1.
This name was in version 1 of The Plant List, record kew-411080.